Display screen with a graphical user interface



The FIGURE is a front elevational view of a display screen with a graphical user interface.

The broken lines illustrate the display screen and form no part of the claimed design. The broken lines illustrate portions of the graphical user interface and form no part of the claimed design. The stippling illustrates portions of the graphical user interface and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 